Transfer machine
CA 1186882 A · Owner: Hall, Victor W. · Inventors: Hall, Victor W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A drive and feed unit for a transfer machine comprises a spindle which may be rotated by an electric motor and advanced by a cam mechanism. The cam mechanism is fed transverse to the axis of rotation of the spindle by a hydraulic motor which is controlled to feed at a constant rate. A follower attached to the spindle transmits translation from the cam mechanism to the spindle. The cam mechanism includes a pair of cams that straddle the spindle and are of identical shape. The spindle is supported in the housing by a bearing assembly which includes a sleeve rotatable relative to the housing but held against relative axial movement. The spindle is slidably supported by the sleeve. A tapping …
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 14, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 14, 2002.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.